Must vs have to
Mustn't vs. Don't have to
Should / Must / Have to
Mixed 1
Mixed 2
100

In this company, all employees ________ (wear) an ID badge at all times. It's a security rule.

have to wear

100

You ________ (smoke) inside the office; it's strictly forbidden by the law.

mustn't smoke

100

You ________ (keep) your desk organized; it's better for your productivity

should keep

100

You ________ (check) the invoices twice; we cannot afford any mistakes in the balance sheet.

must / should check

100

A bank ________ (protect) the privacy and data of its customers by law.

has to protect

200

I ________ (remember) to call the bank before 4:00 PM; it's very important for me to finish this today.

must remember

200

We have enough office supplies, so you ________ (buy) any more toner this month.

don't have to buy

200

The bank manager is waiting. I ________ (be) on time for this meeting; it's vital for the loan.

must be

200

Our accountant ________ (not / work) on Saturdays, but he sometimes does it voluntarily.

doesn't have to work

200

You ________ (pay) the full invoice today; our company allows 30-day credit terms. 

don't have to pay

300

According to the law, every business ________ (pay) taxes every quarter.

has to pay

300

Employees ________ (disclose) confidential client information to third parties.

mustn't disclose

300

In Spain, companies ________ (store) their invoices for at least 4 years by law.

have to store

300

We ________ (keep) all the physical receipts for five years in case of an inspection.

have to keep
300

Correct this: You don't have to park here, it's the CEO's private spot.

mustn't park

400

Does a financial advisor ________ (have) a special degree to work in this department?

have to have

400

Tomorrow is a local holiday, so we ________ (come) to the office.

don't have to come

400

You ________ (invest) in cybersecurity; your database contains very sensitive client info.

should invest

400

You ________ (forget) to sign the payroll documents; otherwise, the workers won't get paid.

mustn't forget

400

To avoid a liquidity problem, the manager ________ (check) the cash flow every morning.

must / should check
500

We ________ (submit) the audit reports by Friday; the CEO was very clear about the deadline.

must submit

500

You ________ (be) an expert in Macroeconomics for this junior position, but it's a plus.

don't have to be

500

If the tax office sends a requerimiento, the accountant ________ (respond) within 10 days.


*tax office = hacienda

has to

500

To get the promotion to Senior Manager, you ________ (speak) fluent English.

have to / should speak

500

Correct this: The audit is next week. We mustn't prepare all the financial statements and invoices before Friday. 

must / have to prepare

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